Home / 66,740.30-100,110.45-41,857.10

Finding the Fourth Proportional to 66,740.30, 100,110.45 and 41,857.10

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Solution

The fourth proportional to 66,740.30, 100,110.45 and 41,857.10 is: 62,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740.30 : 100,110.45 = 41,857.10 : x
  2. Step 2: Convert to fraction form
    66,740.30/100,110.45 = 41,857.10/x
  3. Step 3: Cross multiply
    66,740.30x = 100,110.45 × 41,857.10
  4. Step 4: Simplify right side
    66,740.30x = 4,190,333,116.70
  5. Step 5: Solve for x
    x = 4,190,333,116.70/66,740.30
  6. Step 6: Final answer
    x = 62,785.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.